Page 213 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

Guide Plates Lash Caps
Black oxided, hardened guide plates ensure exact Special hardened steel lash caps protect
stud place ment and consistent, accurate fi t. A must the tips of valve stems, especially when a
for use with high lift cams and high valve spring pressures. Avail- radical cam profi le with lots of duration and
able in fl at and raised styles. valve lift has been selected.
Pushrod Stud Valve
Part No. Description Type Size Size Part No. Description Thickness Stem Size
Small Block Chevy COM619-16 426 Hemi Short Cap .080" Thick 5/16"
COM4800-8 ‡ 265-400 Raised 5/16" 7/16" COM620-16 Hardened Lash Cap .080" Thick 5/16"
COM4802-8 ‡ 265-400 Raised 3/8" 7/16" COM621-16 Hardened Lash Cap .080" Thick 11/32"
COM4808-8 ‡ 265-400 Flat 5/16" 7/16" COM622-16 Hardened Lash Cap .080" Thick 3/8"
COM4810-8 ‡ 265-400 Flat 3/8" 7/16"
Big Block Chevy Stud Girdles
COM4806-8 396-454 Raised 3/8" 7/16"
COM4820-8 396-454 Raised 7/16" 7/16" Comp Cams stud girdles
Ford are made of rugged 6061-
COM4803-8 351C Raised 5/16" 5/16" T6 aluminum, and tie the
COM4804-8 351C Raised 3/8" 5/16" rocker studs together for
COM4816-8 289-351W Flat 5/16" 5/16"
COM4818-8 289-351W Flat 3/8" 5/16" alignment and durability. COM4021
COM4834-8 429-460 Raised 5/16" 5/16" Stud
COM4838-8 429-460 Raised 3/8" 5/16" Part No. Description Size
Oldsmobile COM4004 SB Chevy Spring Loaded 7/16"
COM4842-8 350-455 Flat 5/16" 5/16" COM4007 SB Chevy Solid Bar 3/8"
COM4843-8 350-455 Flat 3/8" 5/16" COM4009 SB Chevy Solid Bar 7/16"
Pontiac COM4014 SB Ford 289-302, 351W Standard Head 7/16"
COM4851-8 350-455 Flat 5/16" 7/16" COM4018 SB Chevy Brodix/Pontiac 40/60 Spacing, Spring Loaded 7/16"
COM4852-8 350-455 Flat 3/8" 7/16" COM4021 BB Chevy Solid Bar 7/16"
‡ For V6 use -6 suffix COM4034 BB Ford 429-460 OEM/CJ/SCJ Cyl. Heads 7/16"

Rev Kits
Adjustable Pushrod Guide Plates
Rev kits hold the lifters
Often required when cylinder heads have relo- in their bores to prevent oil
cated intake ports, guide plates may be welded pressure loss in the event
after fi nal adjustments. Choose from one- or two-piece designs. of a pushrod or rocker arm
One-piece uses elongated mounting holes. Sold in sets of eight.
failure. Made of extruded aluminum (except BB Chevy, which is
Pushrod Stud cast aluminum) and complete with all springs and buttons.
Part No. Description Type Size Dia.
COM4811-8 BB Chevy 396-454 Raised 3/8" 7/16" Part No. Description
COM4835-8 SB Chevy/SB Ford, 2-Pc. Flat 5/16" 7/16" COM4000 SB Chevy With .842" Tappet
COM4839-8 SB Chevy 265-400 Flat 3/8" 7/16" COM4003 BB Chevy With .842" Tappet
Valve Stem Oil Seals SB Chevy Roller Cam Bearing Kit
Seals prevent oil from entering the com bus tion COM350RCB-KIT
cham ber. Use O-Ring seal with standard retainer Steel jacketed, needle roller
and oil splash shield. Use umbrella seals with bearings are encapsulated for
larger-than-stock diameter springs, and positive-stop PTFE seals easy installation in place of tradi-
for double springs. PTFE seals require machining; others do not. tional cam bearings and will decrease
Guide Valve friction and increase oil control.
Part No. Description Size Stem Size Bearings fi t all small block Chevys and small block
COM500-16 Positive Stop PTFE .530" 5/16" 360 Chryslers with #1 through #5 camshaft journal
COM501-16 O-Ring Stock 11/32" diameters of 1.968".
COM502-16 Umbrella Stock 11/32" Note: Designed for use with steel roller camshafts only. Not for use with
COM503-16 Positive-Type PTFE .530" 11/32" flat tappet iron camshafts.
COM504-16 Umbrella Stock 3/8"
COM505-16 Positive-Type PTFE .530" 3/8"
COM506-16 Triple Spring Viton .485" 11/32" GM LS Front Drive Distributor Kit
COM510-16 PTFE, .600" O.D. .500" 11/32" Engineered for GM LS engines, kit allows
COM511-16 Steel Jacketed Viton, LS1 .500" Stock installation of a distributor style ignition
COM512-16 PTFE, .600" O.D. .500" 3/8" system when performing engine
COM513-16 Positive Stop PTFE .500" 5/16"
COM514-16 Metal Body Viton .500" 3/8" swaps or when a distributor ignition
COM515-16 Metal Body/Viton .530" 3/8" is required. Designed for standard
COM516-16 Metal Body Viton .530" 5/16" GM LS blocks, kit includes timing
COM517-16 Metal Body/Viton, Triple Spring .500" 11/32" cover, harmonic balancer, distribu-
COM518-16 Metal Body/Viton, Triple Spring .530" 11/32" tor, ignition coil, ignition unit, spark
COM519-16 Metal Body Viton, Triple Spring .500" 5/16"
COM520-16 Metal Body Viton, Triple Spring .530" 5/16" plug wires, necessary hardware and
COM521-16 Metal Body Viton, Triple Spring .500" 3/8" complete instructions.
COM522-16 Metal Body Viton, Triple Spring .530" 3/8" Part No. Description
COM529-16 Metal Body Viton .530" 11/32" COM5483 GM LS Front Drive Distributor Kit, Standard Block
COM530-16 Black Viton Small O.D. .425" 5/16" COM5481 GM LS Front Drive Plate Conversion Only

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